Weeder for harrows.



B. T. LANE.

'WEEDEB. FOR HAEROWS.

APPLI(JATION FILED JULY 22,1913

Patented Aug. 11, 1914.

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UNITED STATES PATENT OFFICE.

BENJAMIN TQLANE, 0F BAIRD, WASHINGTON.

WEEDER FOR HARROWS.

To all whom it may concern Be it known that I, BENJAMIN '1. LANE, acitizen of the United States, residing at liaird, in the county ofDouglas, State of l Vashington, have invented certain new and usefullmprovements in l/Veeders for Harrows; and 1 do declare the following tobe a full, clear, and exact description of the invention, such as willenable others skilled in the art to which it appertains to make and usethe same.

This invention relates to weed cutters and has for an object to providea device of this character in the nature of a blade and securing meansfor attaching the same at various desired angular positions upon aharrow.

A further object of the invention is to provide a device of thischaracter in which the parts will be reversible to effect the desiredangular adjustment of the blade.

A still further object is to provide an extremely simple and inexpensivedevice of this character which will be formed of a few strong anddurable parts that will not easily get out of order.

With the above objects in view the invention consists of certain noveldetails of construction and combination of parts herein after fullydescribed and claimed, it being understood that various .modificationsmay be made in the minor details of construction within the scope of theappended claims.

In the accompanying drawing illustrating this invention :-Figure 1 is aplan view of a barrow showing weed cutters embodying my improvementsattached at various angular positions upon the harrow. Fig. 2 is a crosssectional view on the line 2-2 Fig. 1 showing the blade attaching means.Fig. 3 is a vertical sectional view on the line 3-3 Fig. 1. Fig. 4: is across sectional view on the line 14: Fig. 3. Fig. 5 is a detailperspective view of one form of blade. Fig. 6 is a detail perspectiveview of a modified form.

Referrin now to the drawing in which like characters of referencedesignate similar parts, 10 designates an ordinary harrow of the twosection type as shown.

At 11, 12, 13 and 141 are shown weed outters embodying my improvements,each being shown in full lines in one angular adjusted position, and indotted lines in another adjusted position. As illustrated theSpecification of Letters Patent.

Application filed July 22, 1913.

Patented Aug. 11, 1914. Serial No. 780,534.

blades are all shown attached to the outer frame bars of the harrowsections, but it is to be understood that the blades may be attached atany desired location on the sections, and further that any number of theblades may be employed that will most advantageously adapt the device tothe work which it may be called upon to perform.

In carrying out my invention, I provide a reversible blade including twoknives 15 and 16 connected by a shank 17 that is provided with a seriesof openings 18 to receive the ends of a U- bolt 19 that is adapted tostraddle the frame bar 20 of the harrow, there being nuts 21 on the endsof the -U-bolt tov secure the parts together. An upright wedge 22 isprovided with openings 23 to receive the legs of the U-bolt, this wedgebeing inserted between the shank of the blade and the frame bar andbeing adapted to be reversed to position the knives at any desiredangular location relatively to the frame bar as illustrated in Fig. 1.An abutment plate 241 is provided with an eye to receive one leg of theU-bolt, this abutment plate bearing upon one face of the bar. Achanneled wedge 25 is disposed to bear upon the opposite face of the barfrom the abutment plate and is provided with an orifice lip 26 throughwhich an eye bolt 27 is passed, the eye of the bolt encircling theopposite leg of the U bolt from the abutment plate as shown at 28, andthere being nuts 29 and 30 threaded on to the eye bolt and bearingagainst opposite sides of the lip to anchor the channeled wedgestationary. The eye bolt extends within the channel of the channeledwedge whereby by unloosening the nut 29 and tightening the nut 30 thewedge will be moved outwardly whereby its thickened end wedges tightlybetween the corresponding face of the frame bar and adjacent leg of theU-bolt and positively anchors the blade in place. a

In Fig. 6 is shown a modified form of blade which includes a lmife 31and a shank 32 provided with a series of orifices 33 for receiving thelegs of the above described U-bolt.

By reversing the position of the various parts comprising the abovedescribed device and its attachment, the knives may be disposed insideor outside of the related frame bar and disposed at a forward or at arearward angle thereto as desired in order to accommodate the device tooperate most effectively under various Conditions of service.

From the above description it will be seen that I have provided anextremely simple and inexpensive device of the character described whichis formed of a few strong and durable parts that are readily assembledand v disassembled and will not easily get out of order.

What is claimed, is

1. A Weed cutting attachment for harrows including a knife having ashank provided with a series of orifices, a U-bolt adapted to encircle abar of the harrow and having the legs passed through said orifices, nutson said legs, an abutment plate on one leg of said U-bolt adapted tobear against one face of said bar, a wedge slidably mounted on the otherleg of said U-bolt, means for moving said wedge longitudinally throughsaid U- bolt whereby to wedge said beam securely against said abutmentplate,- and a reversible wedge having openings receiving the legs ofsaid U-bolt, said reversible wedge being disposed between the inner faceof said shank and said abutment plate and said channeled wedge.

2. A weed cutter including a knife having a right-angularly disposedshank provided with a series of openings, a U-bolt having the legspassed through said openings, nuts on said U-bolt, an abutment plate onone leg of said U-bolt, a channeled wedge bearing with its inclined edgeupon the inner face of the opposite leg of the U-bolt, an eye boltengaging the last named leg of said U-bolt and hearing within thechannel of said wedge, a lip on said wedge receiving the threaded end ofsaid eye bolt, nuts on said eye bolt bearing against opposite sides ofsaid lip, and a wedge having openings receiving the legs of said U-boltand disposed between the inner face of said shank and said abutmentplate and said channeled wedge.

In testimony whereof, l aflix my signature, in the presence of twowitnesses.

BENJAMIN T. LANE. Witnesses:

J. T. CULL, a A. lVIODONALD.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D; C.

